Petunia can be seeded and propagated, its sowing time is mainly between March and August, and its flowering period is relatively long, from May to November
Petunia is a perennial herb, but it is often cultivated as an annual or biennial plant. The suitable temperature for its growth is 15 ℃ - 25 ℃, the plant is still relatively small, but the flower type is large, and the plant type is very neat, so the effect of potting is very good.
Now the container for Petunia planting is filled with proper amount of soil, and then watered. Sow the seeds on the soil. Be careful not to cover the soil. Covering the soil may affect the germination rate.
After sowing Petunia, we need to spray wet the soil first and then cover it with a plastic film, which can keep the soil moist. Ensure that the curing temperature is between 21 ℃ - 24 ℃, generally 1 - 2 weeks can sprout.
When the Petunia's young seedling grows 2-3 pairs of leaves, it can be fertilized once every 7-10 days, paying attention to dilution. Wait until the roots of Petunia grow well, and then transplant. When transplanting, it should be transplanted into a flowerpot with a diameter of 10-12cm.